Queue Operations Explained | Enqueue | Dequeue | Peek | IsEmpty | IsFull

Queue Operations Explained | Enqueue | Dequeue | Peek | IsEmpty | IsFull

In this video, we break down core Queue operations clearly with visuals and code snippets: enqueue, dequeue, peek/front, rear, size, isEmpty, and isFull. You’ll see how a linear queue works, where it fails, and why circular queues fix those issues. We also talk about time complexity, common pitfalls, and interview-style questions.

Timestamps
00:00 Intro
00:35 What is a Queue
01:25 Enqueue
03:05 Dequeue
04:20 Peek and Rear
05:15 Size and isEmpty
06:10 IsFull and overflow
07:05 Linear vs Circular Queue
08:30 Time complexity and use cases
09:20 Quick interview tips
09:55 Wrap up

What you’ll learn
• When to use a queue in real projects and coding rounds
• How circular queues solve wasted space
• Common mistakes to avoid in enqueue and dequeue
• Big O for each operation

Resources mentioned
• Pseudocode templates for enqueue and dequeue
• Quick notes for circular queue pointers

If this helped, like, comment your next topic, and subscribe for more DSA videos.

Link of Previous Video:    • Introduction to Queue in Data Structures  ...  
Link of Next Video: Awaited

==============================================
Buy "CBSE CS Python Class 11" & "CBSE CS Python Class 12" Book By: Anand Sir From
==============================================
1. CODEITUP Website:
Class 11 Book: https://codeitup.in/products/CBSE-Cla...
Class 12 Book: https://codeitup.in/products/CBSE-Cla...
2. Amazon Website:
Class 11 Book: https://www.amazon.in/CBSE-CS-Python-...
Class 12 Book: https://www.amazon.in/dp/B0CWR987M1
3. Flipkart Website:
Class 11 Book: https://www.flipkart.com/cbse-cs-pyth...
Class 12 Book: https://www.flipkart.com/cbse-cs-pyth...
4. Notion Press Website:
Class 11 Book: https://notionpress.com/in/read/cbse-...
Class 12 Book: https://notionpress.com/read/cbse-cs-...

Buy previous batch recorded lectures by Anand Sir: https://codeitup.in/course/CBSE-CS-Cl...

Purchase self paced class 12 CS Python Course by CODEITUP on GeekforGeeks platform using the link below: https://practice.geeksforgeeks.org/co...
Use Code GFGCODE10 to get 10% discount as well.
=======================================================
CODEITUP PLAYLISTS
1. C Programming Playlist:    • C Language Tutorial in Hindi  
2. C++ Programming Playlist:    • C++ Tutorial in Hindi  
3. Java Programming Playlist:    • Java Tutorials For Beginners In Hindi  
4. Python Programming Playlist:    • Complete Python Tutorial in Hindi  
5. CBSE Class 12 (CS) Python Playlist:    • CBSE Class XII Python Tutorial in Hindi  
6. CBSE Class 12 (IP) Playlist:    • CBSE Class 12 | Informatics Practics | Tut...  
7. CBSE Class 11 (CS) Playlist:    • CBSE Class XI Python Tutorial In Hindi - S...  
8. CBSE Class 10 (IT):    • Class 10 Information Technology | Code - 402  
9. Networking Playlist:    • Networking  
10. MySQL Playlist:    • Structured Query Language (SQL)  
11. Web Designing:    • Web Designing | HTML | DHTML | CSS | PHP |...  
12. NumPy Playlist:    • Complete Numpy Tutorial In Hindi  
13. Computer Fundamental Playlist:    • Fundamentals of Computer  

Telegram Channel: https://t.me/codeituplearners
Facebook Group:   / 21673.  .
Instagram: https://t.me/codeitupyt
Facebook Group: https://www.facebook.com/groups/21673...
Facebook Page:   / codeitup-104310264625489  
Website: https://codeitup.in
Join this channel to get access to perks:    / @codeitup  


Tags
queue data structure
introduction to queue
queue in data structures
FIFO
enqueue
dequeue
front and rear
queue operations
circular queue
priority queue
array implementation of queue
linked list implementation of queue,
queue in C
queue in C++
queue in Java
queue in Python
data structures and algorithms
DSA for beginners
coding interview questions
placements preparation
computer science basics
BTech
BCA
BSc IT
codeitup

Hashtags
#Queue #DataStructures #DSA #CodingInterview #Programming #ComputerScience #Placements #CODEITUP #C #CPP #Java #Python